Home / 19,031.26-26,256.78-11,071.80

Finding the Fourth Proportional to 19,031.26, 26,256.78 and 11,071.80

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Solution

The fourth proportional to 19,031.26, 26,256.78 and 11,071.80 is: 15,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.26 : 26,256.78 = 11,071.80 : x
  2. Step 2: Convert to fraction form
    19,031.26/26,256.78 = 11,071.80/x
  3. Step 3: Cross multiply
    19,031.26x = 26,256.78 × 11,071.80
  4. Step 4: Simplify right side
    19,031.26x = 290,709,816.80
  5. Step 5: Solve for x
    x = 290,709,816.80/19,031.26
  6. Step 6: Final answer
    x = 15,275.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.